We are very proud to announce that the Cameroonian law firm Yii Attorneys has joined the Lexing network. With this new member, the Lexing Network, which currently consists of more than 40 members worldwide, is strengthening its foothold in Africa.
The Cameroonian law firm Yii Attorneys joins the Lexing® International Lawyers Network ®

Yii Attorneys is a law firm based in Yaoundé, Cameroon.
The firm is composed of seasoned professionals specializing in a diverse range of fields, including intellectual property, technology law (with a focus on personal data protection), sports law, natural resources law, and legistics. this breadth of expertise enables us to deliver innovative, tailor-made legal services that keep pace with the rapidly evolving legal and digital landscapes.
With over 15 years of combined experience, particularly in IP and Tech law, Yii Attorneys has established itself as a trusted partner for a diverse clientele. We proudly serve national and regional public institutions, multinational and local corporations, techpreneurs, and NGOs.
The firm specializes in the following practice areas:
- intellectual property;
- data privacy and personal data protection;
- social media law;
- artificial intelligence ;
- domain names and internet infrastructure;
- blockchain, crypto-assets, and NFTs (including IP and taxation aspects);
- business law and contracts for the digital environment;
- taxation of intangible assets;
- sports law;
- natural resources law (with a focus on forestry, biodiversity, water, genetic and marine resources);
- legistics.
Esther Sandrine Ngom will represent the firm within the network.
Esther Sandrine Ngom

Esther Sandrine NGOM has been a member of the Cameroon Bar since 2018 and an Intellectual Property Consultant accredited by the African Intellectual Property Organization (OAPI) since 2009. She has also been a researcher and practitioner in digital law and legistics since 2011. She is the founder of the law firm Yii Attorneys.
Her areas of expertise include:
- intellectual property;
- technology Law (personal data protection, NFTs and crypto-assets, e-commerce/electronic transactions, artificial intelligence, cybersecurity, business law applied to new technologies, etc.);
- OHADA corporate and business law;
- international Trade Law, with a specific focus on AfCFTA (African Continental Free Trade Area) law;
- sports law;
- natural resources law (forestry, biodiversity, climate, genetic resources and associated traditional knowledge, digital sequence information on genetic resources);
- insolvency and bankruptcy proceedings;
- alternative dispute resolution (ADR).
Welcome in the Lexing® network!
Our advice:
The Lexing® network currently consists of more than 40 members on all 5 continents. Created on an initiative of Alain Bensoussan, it allows multinationals to benefit from the assistance of seasoned lawyers worldwide with established competence in the field of new technologies in their respective countries. Lexing® lawyers share a common approach across the network that ensures they work seamlessly together to provide clients with a global, tailor-made solution consistent with the legal rules of all countries.

